There's been an explosion near an entrance to the U.S. embassy in Ankara, Turkey, according to multiple news reports.
Reuters says at least one person was killed. The Associated Press writes that police are saying there have been two deaths. The BBC notes that there are reports this may have been the work of a suicide bomber. It adds that:
"Dozens of ambulances and fire engines rushed to the scene after the explosion, in an area which is home to diplomatic missions. According to Turkish broadcaster NTV, the explosion caused no damage inside the embassy itself."
As is often the case in the early hours after incidents such as this, the news is likely to shift as more information becomes available. We'll keep an eye on developments.
Update at 9:35 a.m. ET. State Dept. Calls It A "Terrorist Blast":
"We can confirm a terrorist blast at a check point on the perimeter of our embassy compound in Ankara, Turkey, at 1:13 p.m. local time," State Department spokeswoman Victoria Nuland says in a statement emailed to reporters. "We are working closely with the Turkish national police to make a full assessment of the damage and the casualties, and to begin an investigation."
Update at 7:45 a.m. ET. Latest Reports:
Reuters now says that the local governor has told reporters that two people were killed by what is thought to have been a suicide bomber. From Instanbul, NPR's Peter Kenyon reports that authorities say at least one person, a Turkish member of the embassy's staff, was killed and that some local media are saying the bomb may have been either left at the scene or thrown toward the site.